The median annual wage for Radiation Therapists in Illinois is $120,360 (May 2024 BLS OES). The mean (average) is $111,720.
Pay spans roughly $92,660 at the 10th percentile to $120,360 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $57.87 per hour.
| Median (annual) | $120,360 |
| Mean (annual) | $111,720 |
| Median (hourly) | $57.87 |
| 10th percentile | $92,660 |
| 90th percentile | $120,360 |
| Employment | — |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.